Screen size
equal specsC176.5"
C31 Pro6.5"
Quick verdict
C17 leads the measured specs 7-4.
Measured wins
C17
7
spec wins
Overall winner
Ties
9
equal specs
C31 Pro
4
spec wins
Screen size
equal specsTechnology
C17
GSM / HSPA / LTE
C31 Pro
GSM / HSPA / LTE
2G bands
C17
GSM 850 / 900 / 1800 / 1900
C31 Pro
GSM 850 / 900 / 1800 / 1900
3G bands
C17
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
C31 Pro
HSDPA 850 / 900 / 2100
4G bands
C17
1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 25, 26, 28, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
C31 Pro
LTE
Speed
C17
HSPA, LTE
C31 Pro
HSPA, LTE
Announced
C17
2025, December
C31 Pro
2022, December
Status
C17
Available. Released 2026, January
C31 Pro
Available. Released 2022, December
Dimensions
C17
163.6 x 75.9 x 9.3 mm (6.44 x 2.99 x 0.37 in)
C31 Pro
9.5 mm thickness
Weight
C17
198 g (6.98 oz)
C31 Pro
212 g (7.48 oz)
SIM
C17
Nano-SIM + Nano-SIM
C31 Pro
Nano-SIM + Nano-SIM
Type
C17
IPS LCD, 450 nits
C31 Pro
IPS LCD, 400 nits
Size
C17
6.52 inches, 102.6 cm2 (~82.7% screen-to-body ratio)
C31 Pro
6.52 inches, 102.6 cm2
Resolution
C17
540 x 1200 pixels, 20:9 ratio (~202 ppi density)
C31 Pro
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Protection
C17
Sharp glass
C31 Pro
-
OS
C17
Android 16
C31 Pro
Android 12
Chipset
C17
Unisoc T310 (12 nm)
C31 Pro
Mediatek MT6762 Helio P22 (12 nm)
CPU
C17
Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
C31 Pro
Octa-core 2.0 GHz Cortex-A53
GPU
C17
PowerVR GE8300
C31 Pro
PowerVR GE8320
Card slot
C17
microSDXC (uses shared SIM slot)
C31 Pro
microSDXC (dedicated slot)
Internal
C17
128GB 4GB RAM
C31 Pro
64GB 4GB RAM
Single
C17
13 MP, f/2.2, (wide), 1/3.06"
C31 Pro
-
Features
C17
LED flash, HDR, panorama
C31 Pro
LED flash
Video
C17
1080p@30fps
C31 Pro
1080p@30fps
Triple
C17
-
C31 Pro
13 MP, (wide), AF Other unspecified cameras
Single
C17
5 MP, f/2.2, (wide), 1/5.0"
C31 Pro
5 MP
Video
C17
1080p@30fps
C31 Pro
Yes
Loudspeaker
C17
Yes
C31 Pro
Yes
3.5mm jack
C17
Yes
C31 Pro
Yes
WLAN
C17
Wi-Fi 802.11 a/b/g/n/ac, dual-band
C31 Pro
Yes
Bluetooth
C17
5.0, A2DP, LE
C31 Pro
Yes
Positioning
C17
GPS, GALILEO, GLONASS, BDS
C31 Pro
GPS, GLONASS, GALILEO, BDS
NFC
C17
No
C31 Pro
No
Radio
C17
FM radio
C31 Pro
Unspecified
USB
C17
USB Type-C
C31 Pro
USB Type-C 2.0
Sensors
C17
Fingerprint (side-mounted), accelerometer, proximity
C31 Pro
Fingerprint (rear-mounted); unspecified sensors
Type
C17
Li-Po 5000 mAh
C31 Pro
Li-Po 5150 mAh
Charging
C17
10W wired
C31 Pro
-
Colors
C17
Orange, White, Blue
C31 Pro
Blue, Purple, Black
Price
C17
-
C31 Pro
About 110 EUR